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Old 07-27-2009, 08:58 PM   #1
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cant remove paint from concrete


I am having a problem removing some paint the previous owner left on my concrete, not sure what kind of paint it is, but I found some Behr "Clear Concrete Bonding Primer" in the garage cabinet so I am sure it is primed with that. it is a blue paint, I think latex because it is chalky and is cracking/peeling like latex, under it is a red color that is not peeling.

This concrete is old probably 20-30 years and the paint has been on there at least 4 yrs since I bought the place.

Anyway, first I went to Sherwin Williams and they sold me some caustic stripper in a white gallon can, stuff peeled some of the paint but not much. So I bought the best stripper home depot had and it is the KS-3 says it will remove epoxy, latex, polyurethane, etc. multiple layers.

again this stipper peeled some away but after scraping there is still a lot of paint there both the blue and red.

is there any other stripper guaranteed to get the job done? I am at my wits end. originally wanted to acid stain this patio but now it is so ugly I just want it covered up.

is there any GOOD solid color coat I can use in an outdoor, moderate traffic area? it will be exposed to UV and light foot traffic. if I can even get 80% of this old coating off can I apply it? any other surface prep recommendations? this is older concrete so it is not smooth it has some decent pitting and stuff.

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Old 08-05-2009, 09:18 PM   #2
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cant remove paint from concrete


did I post this in the right forum?

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Old 08-06-2009, 04:59 AM   #3
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cant remove paint from concrete


Epoxy paints are about the best you can get for use on driveways and high traffic areas. Getting old paint off of concrete may be about the toughest thing you can do. It gets into the pours and locks right in. Your best bet is to make sure you have all the loose stuff scraped and paint over it.
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Old 08-06-2009, 12:40 PM   #4
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cant remove paint from concrete


sand balst?
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Old 08-07-2009, 05:05 PM   #5
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cant remove paint from concrete


Quote:
Originally Posted by udlooz
is there any ... stripper guaranteed to get the job done?
No
...sorry

Some other strippers may work "good enough" for a specific person's needs, but the only way I know that will work is a water/media blasting combo
It's not a DIY type project by any means and on many levels

If it's a floor, then (again) mechanical removal is the best way
But if that's the case, then at least the equipment can be rented (unlike the water/media equipment)
It's not a quick or easy DIY job, but do-able if you can handle a large and heavy piece of equipment (for long periods of time), and slowly move it about the floor, finishing up with smaller sanders and grinders (easier to handle but taking longer) around the edges

To give you an idea of what's involved, you'll want two strong persons to get it off the rental company's truck and get it to where it's got to be...and that's w/o the weights you'll need to put on it before beginning the job
It's heavy, but not fast
It doesn't vibrate like a jackhammer, but it's probably just a little below that and/or maybe a concrete saw in terms of DIY ability
What I'm trying to get across is, if you've ever jackhammer'd concrete front steps to bits, or cut a doorway into your poured foundation, you will probably (most likely) be OK using this
If you'd like to do those things, this project may be OK for you
If those type of projects scare the bejeezus out of you, you may want to hire someone for this
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